11516502172 has 24 divisors (see below), whose sum is σ = 23056302080. Its totient is φ = 4930651440.

The previous prime is 11516502161. The next prime is 11516502181. The reversal of 11516502172 is 27120561511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179772 + ... + 235267.

Almost surely, 2^11516502172 is an apocalyptic number.

It is an amenable number.

11516502172 is an abundant number, since it is smaller than the sum of its proper divisors (11539799908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11516502172 is a wasteful number, since it uses less digits than its factorization.

11516502172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416041 (or 416039 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 11516502172 in words is "eleven billion, five hundred sixteen million, five hundred two thousand, one hundred seventy-two".